but it's emerging as one of the key questions along with why there wasn't more security in benghazi. >> bret: ed henry traveling with the president in columbus, ohio. thank you. as i said at the top of the show, iowa is a popular place today. we're here. so are the two men running for vice president. the top of the g.o.p. ticket, however, is in california tonight on outreach of group firmly in his opponent's corper. chief political correspondent carl cameron has that story from los angeles. >> emphasizing more details of the five-point economic plan in contrast to what he says is lack from the president, mitt romney promised the 33rd hispanic chamber of commerce convention in los angeles he would end what he called the obama administration hos silty toward small business. >> national unemployment is 8.1%. hispanic unemployment is over 10%. over 2 million more hispanics are living in post officeerty y than when obama took office. >> he told the business group he would reform immigration policy. unlike the president who promised he would make it a priority. >> the president never offer